7p^2=21p

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Solution for 7p^2=21p equation:


Simplifying
7p2 = 21p

Solving
7p2 = 21p

Solving for variable 'p'.

Reorder the terms:
-21p + 7p2 = 21p + -21p

Combine like terms: 21p + -21p = 0
-21p + 7p2 = 0

Factor out the Greatest Common Factor (GCF), '7p'.
7p(-3 + p) = 0

Ignore the factor 7.

Subproblem 1

Set the factor 'p' equal to zero and attempt to solve: Simplifying p = 0 Solving p = 0 Move all terms containing p to the left, all other terms to the right. Simplifying p = 0

Subproblem 2

Set the factor '(-3 + p)' equal to zero and attempt to solve: Simplifying -3 + p = 0 Solving -3 + p = 0 Move all terms containing p to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + p = 0 + 3 Combine like terms: -3 + 3 = 0 0 + p = 0 + 3 p = 0 + 3 Combine like terms: 0 + 3 = 3 p = 3 Simplifying p = 3

Solution

p = {0, 3}

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